1、Lightweight and Robust: Crafted from aluminum alloy with a red anodized appearance, this triangle ruler is not only visually appealing, but also resistant to rust, erosion, and wear. 2、Easy to Read Scales: Featuring accurate measurements on three sides, this ruler is easy to read and convenient for drawing lines. The engraved scales ensure clarity and accuracy for reliable measurements. 3、Versatile Angle Measurement: Designed to quickly and accurately measure or mark angles from 0 to 90 degrees, this tool includes preset angles of 22.5°, 30°, 45°, 50°, 60°, 67.5°, 75°, and 80°, as well as corresponding diameter 1/4 holes for angle marking pins. 4、Ideal for Carpentry and Engineering: Ideal for woodworking, engineering, and construction tasks, this triangle ruler is a must have tool for professionals and hobbyists alike. 5、Convenient and Accurate: This all in one triangle ruler offers the convenience and accuracy needed for accurate measurements and angle marking.